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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesNeuendorfJoner AG
Joner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Joner AG is the provision of services and solutions in the field of roof and facade treatment, including sheet metal work, flat roof renovations, sealing, roofing, facade cladding, roof drainage, sheet metal processing and metalwork.

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Products & services

Industry:Specialized Construction Activities
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Joner AG

✓ Offered5
Flat roof
Flat roof refurbishments, bituminous sealing systems, waterproofing with plastic sealing membranes, liquid plastic waterproofing, EPDM waterproofing and green roofings.
Sheet metal works
Roof covering works, façade cladding, roof drainage, sheet metal working and metalwork for roofs and building envelopes.
Lightning protection
Lightning protection systems for buildings to protect in bad weather and to secure the building structure.
Liquid plastic waterproofing
Seamless and durable waterproofing with liquid plastic for different application areas in roofing and waterproofing construction.
Garden paving slabs
Garden paving slabs for designing outdoor areas with functional and long-lasting surfaces.
Trust & reputation

ranQ Trust Score of Joner AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Joner AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Joner AG scores 79.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.70.212%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
Joner AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Joner AG scores 0.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Fulenbacherstrasse 74
4623 Neuendorf

At a glance

Legal form
Corporation
UID
CHE-284.194.431
Founded
2020 · 6 years
Last commercial register change
September 16, 2025
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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